Exercise Bike Bearing Failure – Symptoms and Replacement Guide

A loud grinding noise from your exercise bike? It's likely bearing failure. Learn the symptoms in the flywheel, bottom bracket, or pedals and understand the replacement process.

Where are the Bearings on an Exercise Bike?

Identifying the key locations for bearings: the flywheel, the bottom bracket (where the cranks rotate), and sometimes in the pedals.

The Universal Symptom: Grinding Noise

The tell-tale sign of a bad bearing is a grinding, rumbling noise that is consistent with rotation and gets louder with speed.

How to Isolate the Faulty Bearing

A technician's guide to differentiating between flywheel noise and bottom bracket noise by isolating the components.

Why Bearing Replacement is a Professional Job

Replacing bearings requires specialized tools like presses and pullers to remove the old bearings and install the new ones without damaging the frame or components.